<template>
  <div class="login_container">
    <div v-loading="inLoading" class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" />
      </div>

      <!-- 表单区域 -->
      <el-form ref="loginForm" :model="loginForm" :rules="loginFormRules" class="login_form">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user" clearable></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" show-password clearable></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button @click="login" type="primary">登录</el-button>
          <el-button @click="resetLoginForm" type="info">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      inLoading: false,
      loginForm: {
        username: '',
        password: '',
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'change' },
          {
            min: 3,
            max: 12,
            message: '长度在 3 到 12 个字符',
            trigger: 'change',
          },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'change' },
          {
            min: 6,
            max: 15,
            message: '长度在 6 到 15 个字符',
            trigger: 'change',
          },
        ],
      },
    }
  },
  methods: {
    login() {
      this.$refs.loginForm.validate(async (valid) => {
        //验证表单是否合法，valid代表验证结果
        if (!valid) return
        // this.$http.post("login",this.loginForm).then(res=>{
        //   console.log(res);
        // })
        this.inLoading = true
        const { data: res } = await this.$http.post('login', this.loginForm)
        console.log(res)
        this.inLoading = false
        if (res.meta.status !== 200) {
          this.$message.error(res.meta.msg)
          return
        }

        this.$message.success('欢迎您，' + res.data.username + '！')

        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    },
    resetLoginForm() {
      this.$refs.loginForm.resetFields()
    },
  },
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    overflow: hidden;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      border-radius: 50%;
      width: 100%;
      height: 100%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>